Home / 34,485.87-47,584.74-20,341.51

Finding the Fourth Proportional to 34,485.87, 47,584.74 and 20,341.51

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Solution

The fourth proportional to 34,485.87, 47,584.74 and 20,341.51 is: 28,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.87 : 47,584.74 = 20,341.51 : x
  2. Step 2: Convert to fraction form
    34,485.87/47,584.74 = 20,341.51/x
  3. Step 3: Cross multiply
    34,485.87x = 47,584.74 × 20,341.51
  4. Step 4: Simplify right side
    34,485.87x = 967,945,464.56
  5. Step 5: Solve for x
    x = 967,945,464.56/34,485.87
  6. Step 6: Final answer
    x = 28,067.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.